43results about How to "Improve water treatment efficiency" patented technology

A thermosensitive copolymer may include a first repeating unit having a temperature-sensitive oligomer and a second repeating unit having an ionic moiety and a counter ion to the ionic moiety. The temperature-sensitive oligomer may be an oligomer including a repeating unit derived from a unsaturated monomer with a moiety represented by Chemical Formula 1 or Chemical Formula 2, or an oligomer including a repeating unit derived from a heterocyclic compound having C, N, O, and a C═N bond in its ring.

*-C(═O)N(R₂)(R₃)  [Chemical Formula 1]

R₂ and R₃ may each independently be hydrogen or a linear or branched C1 to C6 alkyl group, a C3 to C7 cycloalkyl group, or a C6 to C10 aryl group, R₂ and R₃ may not both be hydrogen, and R₂ and R₃ may be combined to form a nitrogen containing heterocycle.

R₄ may be a C2 to C5 alkylene group.

A product and apparatus for cleaning water or industrial and sewage waste water includes a mixture of diatomite that is heated and stirred to impart an enhanced negative electrical charge to the diatomite. A mixture of approximately 50% aluminium chloride (AlCl₃) by volume is blended to provide a powder mixture for use as a flocculant in the system. According to a modification, the charged diatomite is instead blended with a mixture of approximately 50% ferric chloride (FeCl₃) by volume and is stored in liquid form for later use as a flocculant in the system. From one to five percent, by volume, of polyacrylamide is preferably added to the mixture for use in sewage waste water treatment applications. An efficient system for reacting either the mixture or separately adding the diatomite and the metallic chloride to the water is described.

The present invention relates to a preparation method of a granular oxide adsorbent for water treatment in which a metal oxide is bound to the surface of polymer particles, and more specially, to a preparation method of a granular oxide adsorbent, comprising the following steps: putting polymer particles in an acidic solution; adding polymer particles to a metal oxide aqueous solution and adjusting a pH; and washing and drying the obtained product. Accordingly, a granular oxide adsorbent prepared by the preparation method is provided and is utilized in water treatment and the like.

The invention relates to a low-pressure discharge plasma water treating apparatus, mainly comprising a discharge power supply, a high voltage electrode, a reactor, an atomization sprinkler, a water inlet pipe, a water outlet pipe, a water flow monitor, an air exhaust pipe, an air valve, a vacuum pump, a sewage pool and a clean water reservoir. According to the invention, without a water pump, a low pressure environment in the reactor can be maintained via only one vacuum pump under the condition that water flows through the reactor; electro-discharge is carried out in the low pressure environment, and large-volume, high-activity and non-thermal equilibrium plasma is generated; the treating apparatus can effectively remove pollution sources like heavy metal ions, organic matters and microbes in water, has high treatment efficiency, is generally applicable to sewages having different pollution degrees and produced by different industries and provides activated water for special industries. The invention further relates to a plasma water treating method which realizes low pressure discharge under the condition that a water cycle between the interior of the reaction chamber and the outside is maintained without usage of a forced exhaust type water pump. With the method, system energy consumption is greatly reduced.

The invention relates to a high-efficient and energy-saving type industrialized double-circulating breeding system. The breeding system consists of a breeding pond, an inner circulating system and an outer circulating system, wherein the inner circulating system and the outer circulating system are arranged on the periphery of the breeding pond, the inner circulating system comprises a gas stripping pond, a combination type gas stripping device is arranged in a gas pond, a gas stripping pond water inlet and a gas stripping pond water outlet are respectively arranged on the bottoms of the pond walls at the boundary parts of the breeding pond and the gas stripping pond, the water-out direction of the gas stripping pond water outlet is the same with the water flow direction of the breeding pond, the outer circulating system sequentially comprises a primary sedimentation pond, a secondary sedimentation pond, a mechanical filtering pond, a water collection pond, a shunting channel, a biologic filtering pond, a sand filtering pond and an infrared sterilizing and water collecting integrated pond, and the primary sedimentation pond is arranged outside the breeding pond. The breeding system has the advantages of low engineering cost, high water treatment efficiency, low energy consumption during running, low running cost, convenience in operation, low failure rate, high dissolved oxygen content in the breeding pond, capability of meeting high-density breeding and the like, and has great application and popularization prospects.

The invention provides a microbe water purifying additive and a preparation method thereof and an application thereof. The preparation of the microbe water purifying additive is as follows: aspergillus niger CCAM080003 is subject to activation, expansion and fermentation culture, and the culture materials collected are dried and crushed, and the additive is prepared. The microbe water purifying additive of the invention contains hydrolase such as hot activity cellulase, xylanase, dextranase, prolease and lipase, etc., and can accelerate the decomposition of organic matters in the sewage and improve the water treatment efficiency, so the microbe water purifying additive is applied to the water purification treatment in ponds, sewage treatment plants and scenic water, etc. The microbe water purifying additive of the invention can be joined with the microbe purifying agent to purify water; compared with the independent use of the microbe purifying agent, the addition of the water purifying additive can greatly improve the speed of purifying the water and obviously improving the purifying effect.

The invention provides an integrated water treatment system for treating both water for seawater recirculating aquaculture and tail water. The integrated water treatment system comprises a sewage collection tank, a physical filtering device, an air floating pool, an electrode-suspended filler coupled biofilter treating unit, and an ozone-ultraviolet combined pathogenic microorganism killing unit which are connected in sequence, wherein the sewage collection tank, the physical filtering device, the air floating pool, the electrode-suspended filler coupled biofilter treating unit, the ozone-ultraviolet combined pathogenic microorganism killing pool are all connected with a sludge concentration-dehydration device, and the ozone-ultraviolet combined pathogenic microorganism killing pool is also connected with a culture pond. The integrated water treatment system of the invention has the characteristics of high water treatment efficiency and continuous maintenance of the high water quality of an aquaculture system, and the water circulation utilization rate of the system can reach 95% to 98%; and the integrated water treatment system can fully meet the demand for healthy culturing of cultured objects, has a tail water treatment function, and allows the tail water to be discharged after reaching the standard.

The invention discloses an anti-blocking type continuous water treatment device, which comprises a housing, the inner upper wall of the housing is provided with a sliding sleeve, a sliding connecting rod and a compression spring, the lower end of the sliding connecting rod is provided with an upper sliding plate, and the upper sliding plate There are motor, stirring shaft, stirring blade, centrifugal wheel and the first filter screen on the top, the outer frame, blade and inner ring are arranged on the periphery of the stirring blade, and the drainage pipe is arranged in the threaded hole, and the drainage pipe is connected by a double-threaded upper joint. , threaded cover, second filter screen and lower drainage joint, the upper end of the shell is provided with a water inlet pipe, and the right wall of the shell is provided with a filling pipe and a sewage pipe. The present invention can carry out water treatment by stirring, drain water after being filtered by the first filter screen and the second filter screen, improve the water treatment efficiency by setting the outer frame, fan blade and inner ring on the periphery of the stirring fan blade, and set it by the movable upper sliding plate In order to drive the first filter screen to lift when impurities adhere to maintain the continuity of water treatment.

The present disclosure relates to a dissolved air flotation system using ambient air, and more particularly, to a dissolved air flotation system that is capable of allowing ambient air to be introduced in front of a pump to generate micro air bubbles with the water discharged from the pump, so that the ambient air may be used instead of compressed air.

The invention discloses a membrane filtration unit and a membrane assembly. The membrane filtration unit comprises an upper filtration membrane and a lower filtration membrane, wherein outer side edges of the upper filtration membrane and outer side edges of the lower filtration membrane are combined into closed peripheries; a mounting through hole penetrating through the upper filtration membrane and the lower filtration membrane is formed in the center of the membrane filtration unit; the membrane filtration unit further comprises an upper support net used for supporting the upper filtration membrane and a lower support net used for supporting the lower filtration membrane, the upper support net and the lower support net are arranged between the upper filtration membrane and the lower filtration membrane, and a cavity is formed between the upper support net and the lower support net. Firstly, guide channels can be formed by the support nets in the surfaces of the filtration membranes, can have a guide function and further can prevent adhesion of the upper filtration membrane and the lower filtration membrane to a certain extent; secondly, during larger water flow disturbance, the swinging amplitude of the membrane filtration unit can also be substantially reduced, and adjacent filtration membranes of adjacent membrane filtration units don't easily adhere to each other; moreover, the cavity with a stable size is formed between the upper support net and the lower support net, filtration pressure difference can be remarkably reduced, and the filtration efficiency can be improved.

A product and apparatus for cleaning water or industrial and sewage waste water includes a mixture of diatomite that is heated and stirred to impart an enhanced negative electrical charge to the diatomite. A mixture of approximately 50% aluminium chloride (AlCl₃) by volume is blended to provide a powder mixture for use as a flocculant in the system. According to a modification, the charged diatomite is instead blended with a mixture of approximately 50% ferric chloride (FeCl₃) by volume and is stored in liquid form for later use as a flocculent in the system. From one to five percent, by volume, of polyacrylamide is preferably added to the mixture for use in sewage waste water treatment applications. An efficient system for reacting either the mixture or separately adding the diatomite and the metallic chloride to the water is described.

The present invention discloses a reverse osmosis integration machine purification system, which comprises a prime mover, a separation and purification machine connected to the prime mover, and a permeation membrane unit or unit group connected to the separation and purification machine in parallel.

The invention discloses an ecological test system for treating farmland drainage water quality. The ecological test system comprises an artificial ecological channel, a piece of artificial wet land and a drainage channel for draining water, wherein the artificial wet land comprises multiple levels of water collection areas and water distribution channels, a concrete pipeline with a second control valve is arranged between the bottom of each level of water collection area and the water distribution channel in front of the water collection area, each level of water collection area is isolated from the adjacent water distribution channels at two sides by virtue of a concrete wall, and the concrete wall between each level of water collection area and the water distribution channel in front of the water collection area is higher than the subsequent concrete wall; the water distribution channel in front of the primary level of water collection area is a water inlet channel, and the water distribution channel behind the last level of water collection area is a water returning channel; the water inlet channel is connected with the artificial ecological channel in an end-to-end manner; the water returning channel is connected with the drainage channel; the artificial ecological channel comprises a channel top, a channel wall, a channel bottom and bamboo-caged stones, and the cross section of the artificial ecological channel is in a trapezoid shape. The ecological test system is economical, reliable, capable of saving the land, and capable of reducing the emission of N and P by virtue of the synergism of the ecological channel and a artificial wet land system, and increasing the farmland drainage water quality treatment efficiency.

Disclosed is a separation membrane for membrane distillation, including a feed water side for feeding raw water and a treated water side for discharging treated water, wherein the separation membrane is provided in bent form by a support frame.

The invention discloses a sewage treatment machine which comprises a box body, and the box body comprises a bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate; the box body is provided with a first partition plate connected with the left side plate and the right side plate, and the interior of the box body is divided into a coarse filtering bin located onthe rear side and an ultrafiltration bin located on the front side through the first partition plate; an air floating type filtering device is arranged in the coarse filtering bin, and a white waterinlet is formed in the bottom of the coarse filtering bin; a filter disc type filter device is arranged in the ultrafiltration bin, a clear liquid outlet is formed in the bottom of the filter disc type filter device, and a middle liquid through hole is formed in the first partition plate. The sewage treatment machine can perform rough filtration and ultrafiltration on white water to directly produce clear liquid meeting requirements, and has the advantages of small occupied space and high water treatment efficiency. The invention also discloses a sewage treatment method which simplifies the white water treatment process and has the advantages of high sewage treatment efficiency and high sewage treatment quality.

The invention discloses an anti-blocking method applicable to a circulation water loach breeding pond bottom drain. The anti-blocking method comprises the steps of arranging a sewage cleaning machine in a gap of escape-proof fences of a sewage draining machine and enabling scraping teeth protruded out of the periphery of the sewage cleaning machine to be embedded with gaps of the fences of the sewage draining machine one by one; connecting a guide rod which is welded with the center of the sewage cleaning machine and straightly led to the water surface and a connection rod to a motor which is arranged at the top end of a main frame; and dragging the guide rod and the connection rod through the motor to enable the sewage cleaning machine to move up and down, automatically clean blockage substances and retain smooth water drainage and normal circulation. The anti-blocking method applicable to the circulation water loach breeding pond bottom drain is applicable to industrial circulation water breeding of small varieties comprising loach and suitable for cleaning sediments which block water drain gaps of the bottom drain; and through the method, the anti-blocking problem of the sewage draining machine in small fish circulation water breeding can be effectively solved. The method is simple; devices are convenient to mount and manage; the sewage cleaning machine and a raw sewage draining device are only required to be matched and fixed wholly; the devices are capable of automatically operating and saving labor; and the device are excellent in economy and practicability.